Is it extremist to be pro immigration? Or are they extremely pro immigration?
In Canada it's openly discussed that recent immigration policy could be excessive. It's not a fringe anti-immigrant viewpoint, it's discussed in the media and at the dinner table.
Canada is a very pro-immigrant country, but there is nuance in the discussion
https://abacusdata.ca/unmasking-public-unease-with-canadas-i...
But US gets 2+ million illegal immigrants annually, which adds another 0.6%.
So US and Canada both have very similar immigration rates after all.